Tue 5/24-Wed 5/25 Make-up: Use the internet to find the following...1) What is one way animals use UV (ultraviolet) light? 2)What is one thing humans have learned about animals by observing their infrared light? 3) What is one use (other than radio) for radio light waves?
Invisible Worlds BBC Documentary: Out of Sight
Red-eye box demonstration
Mon 5/23 Make-up: Read about reflection 28.2 and answer 3 questions What light can do - emit, absorb, reflect, transmit Practice with those words Spectroscopes
Wed 5/18 - Thu 5/19 (Como Zoo Field Trip) Make-up: Read about light 27.3 and answer 3 questions Sound vs. Light - using books and brains to compare light waves and sound waves Hearing test
The wave equation: v=f*l Measuring the speed of sound using tuning forks and tubes in water Tried out measuring with the Rubens' Tube too
Mon 5/16 Make-up: Read about Loudness 26.5 and answer 3 questions Decibels tell how intense / loud sound is It's a logarithmic scale - multiplying in size instead of adding Practice with exponents
Fri 5/13 (Spring Fling)
Making Straw Oboes
Videos of Sounds and Music
Thu 5/12
Test #1 - Waves and Sound
Wed 5/11
Jeopardy Review - Waves and Sound
Tue 5/10 Make-up: Read section 26.9 and answer 3 questions Reviewing types of instruments - Blue man group and PVC instrument (OAS - veggie instruments Natural Born Thrillers #17) Interference is what waves do when they meet, for sound too! Reversing the wiring on one stereo speaker makes some of the sound disappear Two speakers playing the same note creates loud and quiet spots around the room = constructive and destructive interference
Mon 5/9 Make-up: Use the internet to find out the difference between pitch, intensity, and timbre for sound. Write down your sources and answers Used different musical instruments to make different sounds Three categories for sound changes: Pitch, intensity, and timbre Three categories for instruments: Strings, air columns, and percussion Blue Man Group - Drumbone
Fri 5/6 Make-up: Answer any 5 questions from the viewing guide
Video - Cosmos: Hiding in the Light
Thu 5/5 - NO SCHOOL
Wed 5/4 Make-up: Use Youtube or Vimeo to find and watch a video demonstrating each of wave resonance, standing waves, and wave interference. Give the title of the video and who it was submitted by. - Review wave concepts using Youtube videos
Tue 5/3 Make-up: Read section 26.8 and answer 3 questions Resonance is when energy is added at an object's NATURAL frequency causing BIG vibrations Looked at examples: Two tuning forks, kid on a swing, suspension bridge, car on air track Then we thought of our own examples.
Fri 4/29 Make-up: Read sections 26.6-7 and answer the 3 questions Why are different sounds different? Sorting pennies by sound Tuning forks are labeled with their natural frequency We can force something, like an acoustic guitar body, to vibrate at other frequencies
Thu 4/28 Make-up: Get "waves in a sink" packet from Leslie and complete it Looked at an old-fashioned ripple tank Review of frequency and amplitude using the Phet Waves in an Electric Sink simulator
Fri 4/22 - Wed 4/27 (Mythbusters Brown Note last day) Make-up: See Leslie to do a Vee Chart experiment Vee Chart Project - Investigated a question about waves and sound:
How does the mass at the ends of the straws affect the speed of a wave machine?
How does the tension hanging from the wave machine affect the wave speed?
How does the length of the crinkle tube affect the frequency of the sound produced?
Thu 4/21 Make-up: Read section 25.9 and answer 3 questions Doppler effect - frequency changes when source or observer is moving Watched clips and listened White board questions about simulators Spinning a tuner on a string in class Can we explain it?
Wed 4/20 Make-up: Read section 25.8 and answer 3 questions Review of interference - waves running into each other Standing waves: interference makes a wave appear to be standing still Ruben's tube: A visual representation of sound waves Making and measuring standing waves
Tue 4/19 Make-up: Use the internet to find out about the Asian Tsunami on 12/26/2004 and write 3 paragraphs on what happened and how it affected people https://www.youtube.com/watch?v=Eu512L5kQfg Video on devastating waves caused by earthquakes Dialectic Journal: What happened in the video? What was your response?
Mon 4/18 Make-up: Answer 3 questions on section 25.7 in file What do waves do when they meet? PEO with simulator Interference - the result of waves adding when they meet (+&-) Moire patterns are visual interference patterns of light and dark lines Practice drawing how pulses would add / cancel when they meet.
Fri 4/15 Make-up: Get packet from Leslie and use a computer that can run java to complete it Last terms for our sheet: wavespeed and period Practice measuring wavespeed in a simulator
Thu 4/14 Make-up: Read section 25.2 and answer 3 questions about amplitude and wavelength Frequency and period review OAS: People packed into a wave pool Defining amplitude and wavelength Measuring amplitude, wavelength and pulse time with a slinky and on the smartboard
Wed 4/13 Make-up: Read section 25.5 & 25.6 and answer 3 questions Commit and Toss Question about how sound works Stadium Waves Defining transverse and longitudinal Phet Simulator Observe: A wave travels through a medium but does not take the medium with it Evidence that our voice isn't like a wind of air to people's ears
Tue 4/12 Make-up: Read Section 25.3 and answer 3 questions Start our waves concept sheet Review frequency A wave is a wiggle in time and space - examples Fun with a vacuum jar Sound experiment -- no air = no sound!
Mon 4/11 Make-up: N/A About the class, RHR in Leslie's room Defining frequency Practicing with dots and squiggles Brainstorm different units of time; draw one and think of things with that kind of frequency
Quarter #4 - Waves, Sound, Light
Fri 5/27
Sunsets demonstration
Thu 5/26 - 5/27
PhET Color Vison
Tue 5/24-Wed 5/25
Make-up: Use the internet to find the following...1) What is one way animals use UV (ultraviolet) light? 2)What is one thing humans have learned about animals by observing their infrared light? 3) What is one use (other than radio) for radio light waves?
Invisible Worlds BBC Documentary: Out of Sight
Red-eye box demonstration
Mon 5/23
Make-up: Read about reflection 28.2 and answer 3 questions
What light can do - emit, absorb, reflect, transmit
Practice with those words
Spectroscopes
Fri 5/20
Make-up: Download the EM Webquest and answer the questions
Use http://missionscience.nasa.gov/ems/01_intro.html to answer questions about the many kinds of light
Wed 5/18 - Thu 5/19 (Como Zoo Field Trip)
Make-up: Read about light 27.3 and answer 3 questions
Sound vs. Light - using books and brains to compare light waves and sound waves
Hearing test
Tue 5/17
Make-up: Read wave speed 25.4 and answer 3 questions
OAS - Shredding Speakers NBT #4
The wave equation: v=f*l
Measuring the speed of sound using tuning forks and tubes in water
Tried out measuring with the Rubens' Tube too
Mon 5/16
Make-up: Read about Loudness 26.5 and answer 3 questions
Decibels tell how intense / loud sound is
It's a logarithmic scale - multiplying in size instead of adding
Practice with exponents
Fri 5/13 (Spring Fling)
Making Straw Oboes
Videos of Sounds and Music
Thu 5/12
Test #1 - Waves and Sound
Wed 5/11
Jeopardy Review - Waves and Sound
Tue 5/10
Make-up: Read section 26.9 and answer 3 questions
Reviewing types of instruments - Blue man group and PVC instrument
(OAS - veggie instruments Natural Born Thrillers #17)
Interference is what waves do when they meet, for sound too!
Reversing the wiring on one stereo speaker makes some of the sound disappear
Two speakers playing the same note creates loud and quiet spots around the room
= constructive and destructive interference
Mon 5/9
Make-up: Use the internet to find out the difference between pitch, intensity, and timbre for sound. Write down your sources and answers
Used different musical instruments to make different sounds
Three categories for sound changes: Pitch, intensity, and timbre
Three categories for instruments: Strings, air columns, and percussion
Blue Man Group - Drumbone
Fri 5/6
Make-up: Answer any 5 questions from the viewing guide
Video - Cosmos: Hiding in the Light
Thu 5/5 - NO SCHOOL
Wed 5/4
Make-up: Use Youtube or Vimeo to find and watch a video demonstrating each of wave resonance, standing waves, and wave interference. Give the title of the video and who it was submitted by.
- Review wave concepts using Youtube videos
Tue 5/3
Make-up: Read section 26.8 and answer 3 questions
Resonance is when energy is added at an object's NATURAL frequency causing BIG vibrations
Looked at examples: Two tuning forks, kid on a swing, suspension bridge, car on air track
Then we thought of our own examples.
Mon 5/2
Make-up:
Mythbusters: Singer Breaking Glass
Fri 4/29
Make-up: Read sections 26.6-7 and answer the 3 questions
Why are different sounds different?
Sorting pennies by sound
Tuning forks are labeled with their natural frequency
We can force something, like an acoustic guitar body, to vibrate at other frequencies
Thu 4/28
Make-up: Get "waves in a sink" packet from Leslie and complete it
Looked at an old-fashioned ripple tank
Review of frequency and amplitude using the Phet Waves in an Electric Sink simulator
Fri 4/22 - Wed 4/27 (Mythbusters Brown Note last day)
Make-up: See Leslie to do a Vee Chart experiment
Vee Chart Project - Investigated a question about waves and sound:
Thu 4/21
Make-up: Read section 25.9 and answer 3 questions
Doppler effect - frequency changes when source or observer is moving
Watched clips and listened
White board questions about simulators
Spinning a tuner on a string in class
Can we explain it?
Wed 4/20
Make-up: Read section 25.8 and answer 3 questions
Review of interference - waves running into each other
Standing waves: interference makes a wave appear to be standing still
Ruben's tube: A visual representation of sound waves
Making and measuring standing waves
Tue 4/19
Make-up: Use the internet to find out about the Asian Tsunami on 12/26/2004 and write 3 paragraphs on what happened and how it affected people
https://www.youtube.com/watch?v=Eu512L5kQfg
Video on devastating waves caused by earthquakes
Dialectic Journal: What happened in the video? What was your response?
Mon 4/18
Make-up: Answer 3 questions on section 25.7 in file
What do waves do when they meet? PEO with simulator
Interference - the result of waves adding when they meet (+&-)
Moire patterns are visual interference patterns of light and dark lines
Practice drawing how pulses would add / cancel when they meet.
Fri 4/15
Make-up: Get packet from Leslie and use a computer that can run java to complete it
Last terms for our sheet: wavespeed and period
Practice measuring wavespeed in a simulator
Thu 4/14
Make-up: Read section 25.2 and answer 3 questions about amplitude and wavelength
Frequency and period review
OAS: People packed into a wave pool
Defining amplitude and wavelength
Measuring amplitude, wavelength and pulse time
with a slinky and on the smartboard
Wed 4/13
Make-up: Read section 25.5 & 25.6 and answer 3 questions
Commit and Toss Question about how sound works
Stadium Waves
Defining transverse and longitudinal
Phet Simulator
Observe: A wave travels through a medium but does not take the medium with it
Evidence that our voice isn't like a wind of air to people's ears
Tue 4/12
Make-up: Read Section 25.3 and answer 3 questions
Start our waves concept sheet
Review frequency
A wave is a wiggle in time and space - examples
Fun with a vacuum jar
Sound experiment -- no air = no sound!
Mon 4/11
Make-up: N/A
About the class, RHR in Leslie's room
Defining frequency
Practicing with dots and squiggles
Brainstorm different units of time; draw one and think of things with that kind of frequency